diff options
author | Michal Simek <monstr@monstr.eu> | 2011-01-31 09:10:04 -0500 |
---|---|---|
committer | Michal Simek <monstr@monstr.eu> | 2011-03-09 02:09:54 -0500 |
commit | 6e83557c38b40d6e9d1c82ad0ae59d8e5db9c50c (patch) | |
tree | 856d8cf13273c2f8a696473ff9237cdc17c46632 /arch/microblaze/kernel/signal.c | |
parent | d8748e73e882106ff0ffa0fa2192dab111a9f9f8 (diff) |
microblaze: Remove r0_ram pointer and PTO alignment
r0_ram pool was used for saving/restoring register
content if hw exception happen. This poll was replaced by
pt_pool_space with PT_SIZE size.
Based on this change SAVE_STATE_ARG_SPACE was removed which
caused that PTO offset is zero that's why is also removed.
r0_ram space was used as scratchpad by v850. In early
Microblaze Linux developing phase was this part of code
blindly copied.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/kernel/signal.c')
-rw-r--r-- | arch/microblaze/kernel/signal.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index d8d3bb396cd..580d052ae81 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c | |||
@@ -93,7 +93,7 @@ static int restore_sigcontext(struct pt_regs *regs, | |||
93 | asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) | 93 | asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) |
94 | { | 94 | { |
95 | struct rt_sigframe __user *frame = | 95 | struct rt_sigframe __user *frame = |
96 | (struct rt_sigframe __user *)(regs->r1 + STATE_SAVE_ARG_SPACE); | 96 | (struct rt_sigframe __user *)(regs->r1); |
97 | 97 | ||
98 | sigset_t set; | 98 | sigset_t set; |
99 | int rval; | 99 | int rval; |
@@ -247,7 +247,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, | |||
247 | goto give_sigsegv; | 247 | goto give_sigsegv; |
248 | 248 | ||
249 | /* Set up registers for signal handler */ | 249 | /* Set up registers for signal handler */ |
250 | regs->r1 = (unsigned long) frame - STATE_SAVE_ARG_SPACE; | 250 | regs->r1 = (unsigned long) frame; |
251 | 251 | ||
252 | /* Signal handler args: */ | 252 | /* Signal handler args: */ |
253 | regs->r5 = signal; /* arg 0: signum */ | 253 | regs->r5 = signal; /* arg 0: signum */ |